IED

Noun

1. Initialism of Intelligent Electronic Device, a sensor, actuator, or PLC used as part of a SCADA system.
2. Initialism of Interlingua-English Dictionary, the first dictionary of Interlingua.
3. Initialism of interictal epileptiform discharge, a type of brain waves related to epilepsy.
   • Hippocampal sclerosis was less common in the patients with IED. - 2003, Randolph B. Schiffer et al., Neuropsychiatry, 2nd edition, Lippincott Williams & Wilkins, →ISBN, page 1109:
   • Initial concerns revolved mainly around the relationship between the interictal epileptiform discharge (IED) and the clinical diagnosis of epilepsy. - 2007, Jerome Engel et al., Epilepsy: A Comprehensive Textbook, 2nd...
4. Initialism of improvised explosive device.
   • She'd been an Army noncombatant, but roadside IEDs didn't distinguish between armed troops and support services. - 2017, Dean Koontz, The Silent Corner, page 61:
5. Initialism of intermittent explosive disorder, a mental disorder characterized by short, intense episodes of rage.